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Medicinal marijuana

Gordon D Ko, Sara L Bober, Sean Mindra, Jason M Moreau
Cannabis has been widely used as a medicinal agent in Eastern medicine with earliest evidence in ancient Chinese practice dating back to 2700 BC. Over time, the use of medical cannabis has been increasingly adopted by Western medicine and is thus a rapidly emerging field that all pain physicians need to be aware of. Several randomized controlled trials have shown a significant and dose-dependent relationship between neuropathic pain relief and tetrahydrocannabinol - the principal psychoactive component of cannabis...
2016: Journal of Pain Research
Kristi E Gamarel, Larry Brown, Christopher W Kahler, M Isabel Fernandez, Douglas Bruce, Sharon Nichols
OBJECTIVES: The purpose of this study was to better understand the prevalence and correlates of substance use behaviors among HIV-infected adolescents in HIV care settings. METHODS: A cross-sectional sample of 2216 youth living with HIV (YLWH; ages 12-26) were recruited through the Adolescent Trials Network for HIV Interventions. Participants completed a one-time survey on sociodemographic factors, substance use and health behaviors. We used logistic regression models to understand the correlates of substance use outcomes...
October 11, 2016: Drug and Alcohol Dependence
David C Sheridan, Robert G Hendrickson, Gillian Beauchamp, Amber Laurie, Rongwei Fu, B Zane Horowitz
OBJECTIVE: Adolescent intentional ingestions remain a significant public health problem in the United States with little research to date on the over-the-counter or prescription medicines that adolescents abuse. These data are important for anticipatory guidance by primary care providers, preventive health, and poison center outreach. METHODS: This was an observational study using the American Association of Poison Control Centers National Poison Data System. The study population consisted of all cases of patients aged 13 to 19 years from 2004 to 2013 with a coding of "intentional abuse...
October 4, 2016: Pediatric Emergency Care
Katalin Solymosi, Attila Köfalvi
Cannabis is one of the earliest cultivated plants. Cannabis of industrial utility and culinary value is generally termed as hemp. Conversely, cannabis that is bred for medical, spiritual and recreational purposes is called marijuana. The female marijuana plant produces a significant quantity of bio- and psychoactive phytocannabinoids, which regained the spotlight with the discovery of the endocannabinoid system of the animals in the early 90's. Nevertheless, marijuana is surrounded by controversies, debates and misconceptions related to its taxonomic classification, forensic identification, medical potential, legalization and its long-term health consequences...
October 4, 2016: Mini Reviews in Medicinal Chemistry
Bruna Tassi Borille, Marcelo Caetano Alexandre Marcelo, Rafael Scorsatto Ortiz, Kristiane de Cássia Mariotti, Marco Flôres Ferrão, Renata Pereira Limberger
Cannabis sativa L. (cannabis, Cannabaceae), popularly called marijuana, is one of the oldest plants known to man and it is the illicit drug most used worldwide. It also has been the subject of increasing discussions from the scientific and political points of view due to its medicinal properties. In recent years in Brazil, the form of cannabis drug trafficking has been changing and the Brazilian Federal Police has exponentially increased the number of seizures of cannabis seeds sent by the mail. This new form of trafficking encouraged the study of cannabis seeds seized germinated in a greenhouse through NIR spectroscopy combined with chemometrics...
September 22, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Jarosław Pinkas, Piotr Jabłoński, Michal Kidawa, Waldemar Wierzba
Cannabis is the most popular illicit drug on the European market. Over 16 million young Europeans have used it at least once in the last few years. The recent trends in the consumption of marihuana differ between countries. Some countries face an increase in the prevalence of cannabis use, including Poland, where the level cannabis use has been systematically increasing since the 1990's. According to a recent ESPAD study, 19% of Polish adolescents aged 15-16 have used cannabis in the last year. Marihuana is also a leading substance when analyzing the data of seizures and crimes...
September 2016: Annals of Agricultural and Environmental Medicine: AAEM
Edward J Hoffenberg, Heike Newman, Colm Collins, Kristina Leinwand, Sally Tarbell
The trend towards decriminalization of cannabis (marijuana) continues sweeping across the United States. Colorado has been a leader of legalization of medical and recreational cannabis use. The growing public interest in the medicinal properties of cannabis and its use by patients with a variety of illnesses including inflammatory bowel disease (IBD) makes it important for pediatric gastroenterologists to understand this movement and its potential impact on patients. This article describes the path to legalization and "medicalization" of cannabis in Colorado as well as the public perception of safety despite the known adverse health effects of use...
August 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
C Hasenoehrl, U Taschler, M Storr, R Schicho
BACKGROUND: In ancient medicine, extracts of the marijuana plant Cannabis sativa were used against diseases of the gastrointestinal (GI) tract. Today, our knowledge of the ingredients of the Cannabis plant has remarkably advanced enabling us to use a variety of herbal and synthetic cannabinoid (CB) compounds to study the endocannabinoid system (ECS), a physiologic entity that controls tissue homeostasis with the help of endogenously produced CBs and their receptors. After many anecdotal reports suggested beneficial effects of Cannabis in GI disorders, it was not surprising to discover that the GI tract accommodates and expresses all the components of the ECS...
August 26, 2016: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
Víctor Manuel Rivera-Olmos, Marisela C Parra-Bernal
The consumption of marijuana extracted from Cannabis sativa and indica plants involves an important cultural impact in Mexico. Their psychological stimulatory effect is widely recognized; their biochemical and molecular components interact with CB1 and CB2 (endocannabinoid system) receptors in various central nervous system structures (CNS) and immune cells. The psychoactive element Δ-9-tetrahydrocannabinol (THC) can be reproduced synthetically. Systematic reviews show evidence of therapeutic effectiveness of therapeutic marijuana only for certain symptoms of multiple sclerosis (spasticity, spasms and pain), despite attempts for its widespread use, including refractory childhood epilepsy...
September 2016: Revista Médica del Instituto Mexicano del Seguro Social
Xiaoming Yang, Marpe Bam, Prakash S Nagarkatti, Mitzi Nagarkatti
Marijuana has drawn significant public attention and concern both for its medicinal and recreational use. Δ9-Tetrahydrocannabinol (THC), which is the main bioactive component in marijuana, has also been shown to possess potent anti-inflammatory properties by virtue of its ability to activate cannabinoid receptor-2 (CB-2) expressed on immune cells. In this study, we used RNA-seq to quantify the transcriptomes and transcript variants that are differentially regulated by THC in super antigen-activated lymph node cells and CD4(+) T cells...
July 22, 2016: Journal of Biological Chemistry
Susan A Chapman, Joanne Spetz, Jessica Lin, Krista Chan, Laura A Schmidt
BACKGROUND: There is considerable movement in the U.S. to legalize use of cannabis for medicinal purposes. Twenty-three U.S. states and the District of Columbia have laws that decriminalize use of marijuana for medicinal purposes. Most prior studies of state medical marijuana laws and their association with overall marijuana use, adolescent use, crime rates, and alcohol traffic fatalities have used a binary coding of whether the state had a medical marijuana law or not. Mixed results from these studies raise the question of whether this method for measuring policy characteristics is adequate...
July 28, 2016: Substance Use & Misuse
Eric R Pedersen, Justin F Hummer, Dipali Venkataraman Rinker, Zach K Traylor, Clayton Neighbors
OBJECTIVE: Marijuana use can result in a variety of negative consequences, yet it remains popular among young adults and the general public at large. Combined with the growing empirical support for the benefits of medicinal marijuana as well as the steady increase in popular opinion regarding its legalization, it is of growing importance to identify strategies that may mitigate the harms related to marijuana use, reduce consumption levels, and limit resulting negative consequences among young adults who use marijuana...
May 2016: Journal of Studies on Alcohol and Drugs
George Sam Wang
An "unintended consequence" of marijuana legalization is the impact on the pediatric population. From prenatal exposure to unintentional childhood exposures, through concerns of adolescence abuse and marijuana use for medicinal indications in children, marijuana exposure can affect pediatric patients at every stage in childhood. Regardless of the stage or reason of exposure, concerns exist about short-term and long-term consequences in a child's physical and mental health. The use of cannabidiol (CBD) may have some benefit for the treatment of epilepsy, but emphasis needs to be on rigorous clinical trials to evaluate efficacy and safety...
May 2, 2016: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
Hemant Lata, Suman Chandra, Ikhlas A Khan, Mahmoud A ElSohly
Cannabis sativa L. (Marijuana; Cannabaceae), one of the oldest medicinal plants in the world, has been used throughout history for fiber, food, as well as for its psychoactive properties. The dioecious and allogamous nature of C. sativa is the major constraint to maintain the consistency in chemical profile and overall efficacy if grown from seed. Therefore, the present optimized in vitro propagation protocol of the selected elite germplasm via direct organogenesis and quality assurance protocols using genetic and chemical profiling provide an ideal pathway for ensuring the efficacy of micropropagated Cannabis sativa germplasm...
2016: Methods in Molecular Biology
Rimplejeet Kaur, Sneha R Ambwani, Surjit Singh
Cannabis sativa is also popularly known as marijuana. It has been cultivated and used by man for recreational and medicinal purposes since many centuries. Study of cannabinoids was at bay for very long time and its therapeutic value could not be adequately harnessed due to its legal status as proscribed drug in most of the countries. The research of drugs acting on endocannabinoid system has seen many ups and downs in the recent past. Presently, it is known that endocannabinoids has role in pathology of many disorders and they also serve "protective role" in many medical conditions...
2016: Current Clinical Pharmacology
Christene DeWitt-Parker
The subject of medical marijuana is complex and currently of interest and concern to patients and health care providers. Legislators throughout the United States have passed state-specific laws and regulations that impact medical practice and the use of marijuana as a therapeutic modality. In November 2015, New Jersey became the first state to specifically allow the administration of medical marijuana for students and persons with developmental disabilities. The purpose of this article is to provide a frame of reference for school nurses and to encourage awareness of the implications for student health and relevant nursing interventions in the school setting...
May 2016: NASN School Nurse
Mary-Ann Fitzcharles, Elizabeth M Hazel, Gregory Taylor, Lori B Tucker
No abstract text is available yet for this article.
April 2016: Journal of Rheumatology
Gianna Wilkie, Bachir Sakr, Tina Rizack
Importance: Medicinal marijuana use is currently legal in 23 states and the District of Columbia. As more states approve marijuana use for medical indications, physicians will be asked by their patients for more information regarding the risks and benefits of use. This article reviews the history, adverse effects, and proposed mechanisms of action of marijuana and summarizes the available literature regarding symptom relief and therapeutic value in patients with cancer. Observations: Marijuana in oncology may have potential for use as an antiemetic, for refractory cancer pain, and as an antitumor agent...
March 17, 2016: JAMA Oncology
Joanne M Hall, Mona M Shattell, Elizabeth A McConnell
The United States is trending toward more permissiveness regarding recreational and medicinal marijuana (MJ). Many conditions for which MJ is recommended, prescribed, or self-prescribed are symptoms that advanced practice nurses address daily. Yet, the silence of nursing scientists on ethics, practices, and policies regarding such clinical decisions is deafening. This is but one of many contradictions about MJ use that we discuss in this article. We do not propose to resolve these contradictions; that is left to the community of nurse scientists in interprofessional discourse...
January 2016: Journal of Addictions Nursing
William E Brandenburg, Christopher B Davis
OBJECTIVE: To assess the medical knowledge and preparedness of mountain climbers on Colorado's 14,000-foot peaks and to compare differences in knowledge and preparedness based on demographics, training, and difficulty of the climb. METHODS: Mountain climbers from 11 14,000-foot peaks in Colorado were surveyed at the time of summiting. These peaks represented every major mountain range and class of difficulty in Colorado. Marijuana use and demographic information including age, gender, state of residence, and income level was collected in the survey...
March 2016: Wilderness & Environmental Medicine
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